The moment she walked into my office, I knew Vanessa Sweet had the right look to be a huge star in porn. Pierced, tattooed, and peroxide blonde up top, any casting agent would have been thrilled to interview her, and I counted my lucky stars she found her way to my casting couch first. The challenge was to make sure Vanessa knew what she was getting into, and wouldn’t be scared off by the dirty deeds asked of her on set. After outlining her possibilities in underwear and bathing suit modeling, I eased Vanessa into thinking…